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authorHanoh Haim <hhaim@cisco.com>2015-06-24 14:03:29 +0300
committerHanoh Haim <hhaim@cisco.com>2015-06-24 14:03:29 +0300
commit8b52a31ed2c299b759f330c4f976b9c70f5765f4 (patch)
tree9d6da5438b5b56b1d2d57e6c13494b4e65d000e7 /src/dpdk_lib18/librte_pmd_i40e/i40e_pf.h
first version
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+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _I40E_PF_H_
+#define _I40E_PF_H_
+
+/* VERSION info to exchange between VF and PF host. In case VF works with
+ * ND kernel driver, it reads I40E_VIRTCHNL_VERSION_MAJOR/MINOR. In
+ * case works with DPDK host, it reads version below. Then VF realize who it
+ * is talking to and use proper language to communicate.
+ * */
+#define I40E_DPDK_SIGNATURE ('D' << 24 | 'P' << 16 | 'D' << 8 | 'K')
+#define I40E_DPDK_VERSION_MAJOR I40E_DPDK_SIGNATURE
+#define I40E_DPDK_VERSION_MINOR 0
+
+/* Default setting on number of VSIs that VF can contain */
+#define I40E_DEFAULT_VF_VSI_NUM 1
+
+#define I40E_DPDK_OFFSET 0x100
+
+enum i40e_pf_vfr_state {
+ I40E_PF_VFR_INPROGRESS = 0,
+ I40E_PF_VFR_COMPLETED = 1,
+};
+
+/* DPDK pf driver specific command to VF */
+enum i40e_virtchnl_ops_dpdk {
+ /*
+ * Keep some gap between Linux PF commands and
+ * DPDK PF extended commands.
+ */
+ I40E_VIRTCHNL_OP_GET_LINK_STAT = I40E_VIRTCHNL_OP_VERSION +
+ I40E_DPDK_OFFSET,
+ I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD,
+ I40E_VIRTCHNL_OP_CFG_VLAN_PVID,
+ I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
+};
+
+/* A structure to support extended info of a receive queue. */
+struct i40e_virtchnl_rxq_ext_info {
+ uint8_t crcstrip;
+};
+
+/*
+ * A structure to support extended info of queue pairs, an additional field
+ * is added, comparing to original 'struct i40e_virtchnl_queue_pair_info'.
+ */
+struct i40e_virtchnl_queue_pair_ext_info {
+ /* vsi_id and queue_id should be identical for both rx and tx queues.*/
+ struct i40e_virtchnl_txq_info txq;
+ struct i40e_virtchnl_rxq_info rxq;
+ struct i40e_virtchnl_rxq_ext_info rxq_ext;
+};
+
+/*
+ * A structure to support extended info of VSI queue pairs,
+ * 'struct i40e_virtchnl_queue_pair_ext_info' is used, see its original
+ * of 'struct i40e_virtchnl_queue_pair_info'.
+ */
+struct i40e_virtchnl_vsi_queue_config_ext_info {
+ uint16_t vsi_id;
+ uint16_t num_queue_pairs;
+ struct i40e_virtchnl_queue_pair_ext_info qpair[0];
+};
+
+struct i40e_virtchnl_vlan_offload_info {
+ uint16_t vsi_id;
+ uint8_t enable_vlan_strip;
+ uint8_t reserved;
+};
+
+/*
+ * Macro to calculate the memory size for configuring VSI queues
+ * via virtual channel.
+ */
+#define I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(x, n) \
+ (sizeof(*(x)) + sizeof((x)->qpair[0]) * (n))
+
+/*
+ * I40E_VIRTCHNL_OP_CFG_VLAN_PVID
+ * VF sends this message to enable/disable pvid. If it's
+ * enable op, needs to specify the pvid. PF returns status
+ * code in retval.
+ */
+struct i40e_virtchnl_pvid_info {
+ uint16_t vsi_id;
+ struct i40e_vsi_vlan_pvid_info info;
+};
+
+int i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset);
+void i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
+ uint16_t abs_vf_id, uint32_t opcode,
+ __rte_unused uint32_t retval,
+ uint8_t *msg, uint16_t msglen);
+int i40e_pf_host_init(struct rte_eth_dev *dev);
+
+#endif /* _I40E_PF_H_ */